Finding the Fourth Proportional to 2,978,221.08, 4,109,941.98 and 1,620,090.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,221.08 : 4,109,941.98 = 1,620,090.84 : x
2. Step 2: Convert to fraction form
   2,978,221.08/4,109,941.98 = 1,620,090.84/x
3. Step 3: Cross multiply
   2,978,221.08x = 4,109,941.98 × 1,620,090.84
4. Step 4: Simplify right side
   2,978,221.08x = 6,658,479,354,729.46
5. Step 5: Solve for x
   x = 6,658,479,354,729.46/2,978,221.08
6. Step 6: Final answer
   x = 2,235,723.67